144221043 has 8 divisors (see below), whose sum is σ = 192433408. Its totient is φ = 96078024.

The previous prime is 144221041. The next prime is 144221059. The reversal of 144221043 is 340122441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144221043 - 2¹ = 144221041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144221041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12271 + ... + 20952.

It is an arithmetic number, because the mean of its divisors is an integer number (24054176).

Almost surely, 2^144221043 is an apocalyptic number.

144221043 is a deficient number, since it is larger than the sum of its proper divisors (48212365).

144221043 is a wasteful number, since it uses less digits than its factorization.

144221043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34673.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 144221043 is about 12009.2065932767. The cubic root of 144221043 is about 524.4163345741.

Adding to 144221043 its reverse (340122441), we get a palindrome (484343484).

The spelling of 144221043 in words is "one hundred forty-four million, two hundred twenty-one thousand, forty-three".